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Actually it comes from the trees and grass mostly trees though because of photosynthesis.
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∙ 13y ago
Wiki User
∙ 11y agoyour but
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What molecule does the oxygen gas come from?
Water
What is it called when hydrogen and oxygen come together and form water?
It is basically a form of combustion
Where do carbon hydrogen and oxygen atoms come from to form glucose during photosynthesis?
They come from CO2 and Water. They are the raw materials
Does pure water form bubbles on the inside of glass like tap water?
It can . . . bubbles come from oxygen that is dissolved in the water. Pureness has little to do with it, unless the pure water has simply not been shaken up so as to dissolve oxygen into it.
Where does the oxygen come from that is reacting with a piece of burning iron?
When oxygen is reacting with iron it generally comes from the air, but it can also come from oxygen disolved into water. There are other ways it can occur but I do not know these. But unless it is in a vacuum, the oxygen comes from the surrounding environment like air or water.
Where does oxygen in water come from?
Water molecules are formed by the reaction between hydrogen and oxygen.
What molecule does the oxygen gas come from?
Water
What sources do oxygen come from?
air water trees
Which elements come together to form water?
Hydrogen and Oxygen
What will rust?
Both water and oxygen are needed for rusting to occur.Iron and steel rust when they come into contact with water and oxygen. Both are present in the air.
From where does the oxygen liberated in photosynthesis come?
If you mean where is the oxygen released when photosynthesis has taken place then the answer is the stoma which is located under the leaf
Why doesn't Broccoli come in a can?
because it was grownin a field and if it is grown in a field the means it needs water and oxygen and in a can it has no oxygen
Why do fishes die when they come out of water even though oxygen is present in the atmosphere?
Fishes gills are designed only to extract oxygen when submerged. There is oxygen in water also, but our lungs cannot extract it.
What do reptiles use to get oxygen from water?
Reptiles don't get oxygen from the water. All reptiles have to come up to the surface to breathe, but can hold their breath a long time.
What comes in and out in a plant?
sunlight, water and carbon dioxide go in, water vapor, sugars and oxygen come out
Where does the oxygen made during photosynthesis come from?
It comes from the splitting of water molecules.
What is photosynthesis waste product and where does it come from?
It is oxygen gas. Photolysis of water generates it
